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<div class="title">src/main/java/com/utn/searchengine/Vocabulary.java</div>  </div>
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<a href="_vocabulary_8java.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * To change this template, choose Tools | Templates</span>
<a name="l00003"></a>00003 <span class="comment"> * and open the template in the editor.</span>
<a name="l00004"></a>00004 <span class="comment"> */</span>
<a name="l00005"></a>00005 <span class="keyword">package </span>com.utn.searchengine;
<a name="l00006"></a>00006 
<a name="l00007"></a>00007 <span class="keyword">import</span> dataaccess.factories.DAOFactory;
<a name="l00008"></a>00008 <span class="keyword">import</span> java.util.HashMap;
<a name="l00009"></a>00009 <span class="keyword">import</span> java.util.Iterator;
<a name="l00010"></a>00010 <span class="keyword">import</span> java.util.Map;
<a name="l00011"></a>00011 
<a name="l00017"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html">00017</a> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html">Vocabulary</a> {
<a name="l00018"></a>00018 
<a name="l00019"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a34b2ee9baca77f11c23cf3b07649ca6b">00019</a>     <span class="keyword">public</span> Map&lt;String, Word&gt; <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a34b2ee9baca77f11c23cf3b07649ca6b">getVocabularyWords</a>() {
<a name="l00020"></a>00020         <span class="keywordflow">return</span> vocabularyWords;
<a name="l00021"></a>00021     }
<a name="l00022"></a>00022 
<a name="l00023"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#ae9f50efd7c4406e04401d4944ee80781">00023</a>     <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#ae9f50efd7c4406e04401d4944ee80781">setVocabularyWords</a>(Map&lt;String, Word&gt; vocabularyWords) {
<a name="l00024"></a>00024         this.vocabularyWords = vocabularyWords;
<a name="l00025"></a>00025     }
<a name="l00026"></a>00026 
<a name="l00027"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#abb139c8ea23882bd849a5e4fc7efecc3">00027</a>     <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#abb139c8ea23882bd849a5e4fc7efecc3">loadVocabularyWords</a>() {
<a name="l00028"></a>00028 
<a name="l00029"></a>00029         this.vocabularyWords = <a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html">DAOFactory</a>.<a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html#a525efdb633c40ced45c0d2f916887ddc">getActiveDAOFactory</a>().<a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html#a221a85bee4a075cbe37fc5acce7ba339">getWordDAO</a>().<a class="code" href="interfacedataaccess_1_1dao_1_1_word_d_a_o.html#a201645375a5f15c78323ee22e1ac9f69">getVocabulary</a>();
<a name="l00030"></a>00030 
<a name="l00031"></a>00031     }
<a name="l00032"></a>00032 
<a name="l00033"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a907e85ea4723eebf01e8eda24e2aa446">00033</a>     <span class="keyword">public</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a907e85ea4723eebf01e8eda24e2aa446">Vocabulary</a>() {
<a name="l00034"></a>00034     }
<a name="l00035"></a>00035     <span class="keyword">private</span> Map&lt;String, Word&gt; vocabularyWords = <span class="keyword">new</span> HashMap&lt;String, Word&gt;();
<a name="l00036"></a>00036 
<a name="l00037"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#af0c9f241dd9e417b744ea3470ad2f3c1">00037</a>     <span class="keyword">public</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#af0c9f241dd9e417b744ea3470ad2f3c1">Vocabulary</a>(Map&lt;String, Word&gt; vocabularyWords) {
<a name="l00038"></a>00038         this.vocabularyWords = vocabularyWords;
<a name="l00039"></a>00039     }
<a name="l00040"></a>00040 
<a name="l00046"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a637ed8e67a9b38cb82d83916163d39e9">00046</a>     <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a637ed8e67a9b38cb82d83916163d39e9">addWord</a>(<a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html">Word</a> entry) {
<a name="l00047"></a>00047         this.vocabularyWords.put(entry.<a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html#a0178ae154e1b998a526042de4fe525be">getName</a>(), entry);
<a name="l00048"></a>00048     }
<a name="l00049"></a>00049 
<a name="l00054"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#ab1368538cfbf3263aa0c4a0b7b244b6e">00054</a>     <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#ab1368538cfbf3263aa0c4a0b7b244b6e">addDocumentWords</a>(Map&lt;String, Integer&gt; words) {
<a name="l00055"></a>00055         Iterator iterator = words.entrySet().iterator();
<a name="l00056"></a>00056         <span class="keywordflow">while</span> (iterator.hasNext()) {
<a name="l00057"></a>00057             Map.Entry entry = (Map.Entry) iterator.next();
<a name="l00058"></a>00058             <span class="keywordflow">if</span> (!vocabularyWords.containsKey(entry.getKey().toString())) {
<a name="l00059"></a>00059                 <span class="comment">//if the word appears for the first time on the vocabulary, the values of max term frecuency and </span>
<a name="l00060"></a>00060                 <span class="comment">//the biggest frecuency and the total times that the word appears are the same.</span>
<a name="l00061"></a>00061                 <span class="keywordtype">int</span> values = (Integer) entry.getValue();
<a name="l00062"></a>00062                 <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html">Word</a> word = <span class="keyword">new</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html">Word</a>(entry.getKey().toString(), 1, values);
<a name="l00063"></a>00063                 vocabularyWords.put(word.<a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html#a0178ae154e1b998a526042de4fe525be">getName</a>(), word);
<a name="l00064"></a>00064                 <a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html">DAOFactory</a>.<a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html#a525efdb633c40ced45c0d2f916887ddc">getActiveDAOFactory</a>().<a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html#a221a85bee4a075cbe37fc5acce7ba339">getWordDAO</a>().<a class="code" href="interfacedataaccess_1_1dao_1_1_word_d_a_o.html#a58adc83c31bbd584aa54cc799cbcdcb6">saveWord</a>(word);
<a name="l00065"></a>00065             } <span class="keywordflow">else</span> {
<a name="l00066"></a>00066                 <span class="comment">//the word already exists so it is necesarry to update their attributes.</span>
<a name="l00067"></a>00067                 <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html">Word</a> wordToModify = vocabularyWords.get(entry.getKey().toString());
<a name="l00068"></a>00068                 <span class="keywordtype">int</span> timesThatWordAppearsOnNewDocument = (Integer) entry.getValue();
<a name="l00069"></a>00069                 <span class="keywordtype">int</span> biggestDocumentTermFrecuency = wordToModify.<a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html#a53883c29360813b31317a02e33509ccf">getMaxTF</a>();
<a name="l00070"></a>00070                 <span class="keywordflow">if</span> (timesThatWordAppearsOnNewDocument &gt; biggestDocumentTermFrecuency) {
<a name="l00071"></a>00071                     wordToModify.<a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html#ae4417c3f8337126840eae260dcf15a78">setMaxTF</a>(timesThatWordAppearsOnNewDocument);
<a name="l00072"></a>00072                 }
<a name="l00073"></a>00073                 <span class="keywordtype">int</span> newTotalDocuments = wordToModify.<a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html#a26c2057e690a42fe2488b70ce6809ee8">getNr</a>();
<a name="l00074"></a>00074                 newTotalDocuments++;
<a name="l00075"></a>00075                 wordToModify.<a class="code" href="classcom_1_1utn_1_1searchengine_1_1_word.html#aad1c1f3529a450769ed3436c4185d4d4">setNr</a>(newTotalDocuments);
<a name="l00076"></a>00076                 <a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html">DAOFactory</a>.<a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html#a525efdb633c40ced45c0d2f916887ddc">getActiveDAOFactory</a>().<a class="code" href="classdataaccess_1_1factories_1_1_d_a_o_factory.html#a221a85bee4a075cbe37fc5acce7ba339">getWordDAO</a>().<a class="code" href="interfacedataaccess_1_1dao_1_1_word_d_a_o.html#a58adc83c31bbd584aa54cc799cbcdcb6">saveWord</a>(wordToModify);
<a name="l00077"></a>00077             }
<a name="l00078"></a>00078         }
<a name="l00079"></a>00079 
<a name="l00080"></a>00080     }
<a name="l00081"></a>00081 
<a name="l00087"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a987cf76169508e0c080e815218b4a2a5">00087</a>     <span class="keyword">public</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a987cf76169508e0c080e815218b4a2a5">containsWord</a>(String word) {
<a name="l00088"></a>00088         <span class="keywordflow">return</span> vocabularyWords.containsKey(word);
<a name="l00089"></a>00089     }
<a name="l00090"></a>00090 
<a name="l00091"></a>00091     @Override
<a name="l00092"></a><a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a789ac5d184325b54fc14484c56dfd8c4">00092</a>     <span class="keyword">public</span> String <a class="code" href="classcom_1_1utn_1_1searchengine_1_1_vocabulary.html#a789ac5d184325b54fc14484c56dfd8c4">toString</a>() {
<a name="l00093"></a>00093         String aux = <span class="stringliteral">&quot;&quot;</span>;
<a name="l00094"></a>00094         Iterator iterator = vocabularyWords.entrySet().iterator();
<a name="l00095"></a>00095         <span class="keywordflow">while</span> (iterator.hasNext()) {
<a name="l00096"></a>00096             Map.Entry entry = (Map.Entry) iterator.next();
<a name="l00097"></a>00097             aux += entry.getKey().toString() + <span class="stringliteral">&quot;-&quot;</span> + entry.getValue().toString() + <span class="stringliteral">&quot;\n&quot;</span>;
<a name="l00098"></a>00098         }
<a name="l00099"></a>00099         <span class="keywordflow">return</span> aux;
<a name="l00100"></a>00100     }
<a name="l00101"></a>00101 }
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